Title (fr)

Publication

Application

Priority

US 9805427 W 19980319

US 84614297 A 19970425

Abstract (en)

[origin: WO9848939A1] A labware adapter (11) having a tubular body (13) with upper and lower spaced apart annular collars (15, 17), serving to guide the adapter into a rotor bore, while at the same time defining a fluid reservoir (31) between the two collars and the inside wall (32) of the rotor. The upper collar (15) has peripheral indentations (21) through which fluid can pass for ingress into the reservoir in the event of sample leakage from the internal portion of the adapter. The lower collar (17) has a vent channel (23) for allowing fluid to move past the collar, for example on insertion of the adapter into a rotor bore. The indentations, vent channel and reservoir all provide mass relief for the adapter, lowering the overall moment of inertia for the adapter, compared to one fitting into the same bore with a smooth tubular shape. The tubular body has an annular ridge (35) above the upper annular collar defining seal glands (37, 39) so that a cylindrical cap (19) can be fit over the ridge in sealed relation with the tubular body. The cap is threadless and is pressed over elastomer seals (41, 43) in the seal glands. Centrifugal loading of the cap onto the tubular body enhances sealing action.